M:tG card similarity search
4BB · Creature — Nightmare
Mutate {4}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying Whenever this creature mutates, exile the top card of each opponent's library face down. You may look at and play those cards for as long as they remain exiled. 5/5
| Name | Mana | Type | Text |
|---|---|---|---|
| Psychic Network | U | Enchantment | Each player plays with the top card of their library held against their forehead, revealed to each other player. |
| Lens of Clarity | 1 | Artifact | You may look at the top card of your library and at face-down creatures you don't control any time. |
| Showdown of the Skalds | 2RW | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top four cards of your library. Until the end of your next turn, you may play those cards. II, III — Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control. |
| Magmatic Channeler | 1R | Creature — Human Wizard | As long as there are four or more instant and/or sorcery cards in your graveyard, Magmatic Channeler gets +3/+1. {T}, Discard a card: Exile the top two cards of your library, then choose one of them. You may play that card this turn. 1/3 |
| Ob Nixilis, Captive Kingpin | 2BR | Legendary Creature — Demon | Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card. 4/3 |
| Royal Herbalist | W | Creature — Human Cleric | {2}, Exile the top card of your library: You gain 1 life. 1/1 |
| Agent of Raffine | U | Creature — Human Rogue | {2}, {T}: Choose target opponent. Conjure a duplicate of the top card of their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." Then they exile the top card of their library face down. 1/2 |
| Professional Face-Breaker | 2R | Creature — Human Warrior | Menace Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn. 2/3 |
| Case of the Locked Hothouse | 3G | Enchantment — Case | You may play an additional land on each of your turns. To solve — You control seven or more lands. (If unsolved, solve at the beginning of your end step.) Solved — You may look at the top card of your library any time, and you may play lands and cast creature and enchantment spells from the top of your library. |
| Verge Rangers | 2W | Creature — Human Scout Ranger | First strike You may look at the top card of your library any time. As long as an opponent controls more lands than you, you may play lands from the top of your library. (You can play a land this way only if you have an available land play remaining.) 3/3 |